optimumnano
Product Overview
1. The OptimumNano 5.2MWh Energy Storage Container System is a fully integrated, utility-scale battery energy storage solution designed for grid-level and industrial applications. The system integrates battery modules, power conversion system (PCS), energy management system (EMS), fire protection system, thermal management, and auxiliary systems into a standardized containerized platform.
2. Built with OptimumNano self-developed 38121 LiFePO4 cylindrical cells, the system offers high safety, long cycle life, and excellent performance consistency. With industrial-grade protection design including IP54 enclosure, wind load resistance, snow load resistance, and seismic structure design, the system is suitable for deployment in various harsh environments such as high-altitude areas, coastal regions, deserts, and extreme temperature zones.
3. This 5.2MWh energy storage container is widely used in renewable energy integration, grid frequency regulation, peak shaving, microgrid systems, and large-scale commercial and industrial energy storage projects.
System Value Highlights
1. Turnkey integrated solution, factory pre-installed and pre-tested, reducing on-site installation workload.
2. Utility-grade safety architecture with multi-level fire protection and fault isolation design.
3. Long lifecycle design with over 6000 cycles and more than 10 years of service life.
4. High system efficiency with intelligent thermal control and active balancing technology.
5. Flexible grid operation with support for grid-connected and off-grid switching.
6. Unattended operation supported by EMS remote monitoring and cloud platform interface.
7. Low total cost of ownership with standardized design and modular scalability.
System Architecture
The 5.2MWh container system consists of the following major subsystems:
1. Battery system: LiFePO4 battery modules assembled with 38121 cylindrical cells.
2. Power conversion system (PCS): Bidirectional inverter for charge and discharge control.
3. Energy management system (EMS): Intelligent system for data acquisition, scheduling, and communication with grid.
4. Battery management system (BMS): Multi-layer protection and real-time monitoring.
5. Thermal management system: Intelligent air or liquid cooling solution.
6. Fire protection system: Gas-based fire suppression with temperature and smoke detection.
7. Auxiliary systems: DC distribution, AC distribution, lighting, ventilation, grounding.
All systems are pre-integrated in a standard 40ft outdoor container.
Core Technical Advantages
1. High safety LiFePO4 chemistry with strong thermal stability.
2. High consistency battery cell design ensures uniform voltage, impedance, and capacity.
3. Advanced BMS with over-voltage, under-voltage, over-current, short-circuit, and thermal protection.
4. Intelligent temperature control system improves cycle life and system efficiency.
5. Supports three-phase 100% unbalanced load operation.
6. Strong shock resistance and seismic design for extreme environments.
7. Multiple energy management strategies including peak shaving, load shifting, and frequency regulation.
Technical Specifications
| Item | Specification |
|---|---|
| System Rated Energy | 5.22 MWh |
| System Rated Voltage | 1209 V |
| Battery Working Voltage | 1020 – 1360 V |
| Output Rated Power | 2.6 MW |
| Output Peak Power | 3.0 MW |
| Output Current | 2160 A |
| Battery Type | LiFePO4 |
| Input Voltage | 10 kV |
| Input Frequency | 50 Hz |
| Communication Protocol | CAN |
| Working Temperature | -20℃ to 50℃ |
| Relative Humidity | 0 – 95% |
| Maximum Altitude | 4000 m |
| Protection Level | IP54 |
| Container Dimensions | 11000 × 2800 × 3300 mm |
| Installation Method | Outdoor ground-mounted |
Typical Application Scenarios
1. Renewable energy storage for solar and wind farms.
2. Grid frequency regulation and peak shaving.
3. Industrial park energy management.
4. Microgrid and island power systems.
5. Backup power systems for data centers and infrastructure.
6. Power quality optimization and load balancing.
Operation & Monitoring
The system supports real-time monitoring through local HMI and remote EMS platform. Operators can access battery status, system performance, alarms, historical data, and energy reports. The EMS allows intelligent scheduling and remote control, supporting both manual and automatic operation modes.
Safety & Protection Design
1. Multi-level BMS architecture (cell, module, rack, system).
2. Gas fire suppression system with smoke and temperature sensors.
3. Insulation monitoring and grounding protection.
4. Surge protection and lightning protection.
5. Fault isolation and emergency shutdown functions.
Installation & Delivery
1. Factory pre-assembled and tested before shipment.
2. Standard container transport suitable for sea and land logistics.
3. On-site installation only requires foundation preparation and grid connection.
4. Optional commissioning and training services available.
OEM & Customization
1. Customized PCS power rating.
2. Optional liquid cooling system.
3. Different communication protocols.
4. Customized container color and branding.
5. Local grid standard adaptation.
Why OptimumNano
Jiangsu OptimumNano Energy Co., Ltd. is a leading lithium battery manufacturer under China Aerospace Science and Technology Corporation. With over 20 years of lithium battery R&D experience and large-scale automated production lines, OptimumNano focuses on EV batteries, energy storage systems, and lead-acid replacement solutions.
The company operates multiple fully automated cylindrical battery production lines with annual capacity exceeding 5GWh, ensuring stable supply, consistent quality, and long-term project delivery capability.
Project Guarantee
1. Industrial-grade product design standard.
2. Strict quality control system.
3. Professional technical support team.
4. Long-term spare parts availability.
5. Complete documentation and certification support.
